public class Main {

    public static void main(String[] args) throws Exception {
        FTP ftp = new FTP("10.10.10.11", "deneme", "şifre"); 
        ftp.makeDirectory("2010");
    }
}

public class FTP {

    private String ftpServer;
    private String user;
    private String password;

    public FTP(String ftpServer, String user, String password) {
        this.ftpServer = ftpServer;
        this.user = user;
        this.password = password;
    }


    public void makeDirectory(String directory) throws Exception {  
        (new directory()).mkdir(directory);

    }

    private class directory extends FtpClient {


        public void mkdir(String directory) throws Exception {
            directory c = new directory();
            c.openServer(ftpServer);
            c.login(user, password);
            System.out.println("successfully connected");
            System.out.println("Present Working Directory :" + c.pwd());
            c.issueCommand("PASV");
            c.issueCommand("MKD " + directory);
            c.closeServer();
        }
    }
}